Doctor profile · Federal record

Dr. Marci Zaslav, LCSW

Clinical Social Worker · Old Bethpage, NY

  • NPI 1790791549
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 John Dr
Old Bethpage, NY 118041506
(516) 420-7224

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
New York #R033904-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790791549. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
478
Distinct HCPCS
1
Medicare allowed
$57,769
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 478 18 $121

In context: peer comparison

Among 1 peers in Old Bethpage Clinical Social Worker, average services per provider: 478. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marci Zaslav's medical specialty?
Dr. Marci Zaslav practices Clinical Social Worker in Old Bethpage, NY.
Where does Dr. Marci Zaslav practice?
Dr. Marci Zaslav practices at 4 John Dr, Old Bethpage, NY 118041506. Office phone: 5164207224.
What is Dr. Marci Zaslav's NPI?
Dr. Marci Zaslav's National Provider Identifier (NPI) is 1790791549, issued by NPPES.
Does Dr. Marci Zaslav accept Medicare assignment?
Yes. Dr. Marci Zaslav accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marci Zaslav commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.